Method and apparatus for three-dimensional fabrication

a three-dimensional object and fabrication method technology, applied in the direction of prosthesis, program control, instruments, etc., can solve the problems of needing to submerge, use additional mechanical elements, extreme care, etc., to facilitate the re-filling of polymerizable liquid, enhance the photopolymerization cure chemistry, and reduce the viscosity of the liquid
US20220048242A1Pending Publication Date: 2022-02-17CARBON INC
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Patent Information

Authority / Receiving Office
US · United States
Patent Type
Applications(United States)
Current Assignee / Owner
CARBON INC
Publication Date
2022-02-17

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Abstract

A method of forming a three-dimensional object, is carried out by (a) providing a carrier and a build plate, the build plate comprising a semipermeable member, the semipermeable member comprising a build surface with the build surface and the carrier defining a build region therebetween, and with the build surface in fluid communication by way of the semipermeable member with a source of polymerization inhibitor; (b) filling the build region with a polymerizable liquid, the polymerizable liquid contacting the build surface, (c) irradiating the build region through the build plate to produce a solid polymerized region in the build region, while forming or maintaining a liquid film release layer comprised of the polymerizable liquid formed between the solid polymerized region and the build surface, wherein the polymerization of which liquid film is inhibited by the polymerization inhibitor; and (d) advancing the carrier with the polymerized region adhered thereto away from the build surface on the build plate to create a subsequent build region between the polymerized region and the build surface while concurrently filling the subsequent build region with polymerizable liquid as in step (b). Apparatus for carrying out the method is also described.
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Description

RELATED APPLICATIONS

[0001] This application is a continuation of U.S. patent application Ser. No. 16 / 824,077, filed Mar. 19, 2020, which is a continuation of U.S. patent application Ser. No. 16 / 105,378, filed Aug. 20, 2018, which is a continuation of U.S. patent application Ser. No. 14 / 937,151, filed Nov. 10, 2015 which is a continuation of U.S. patent application Ser. No. 14 / 572,128, filed Dec. 16, 2014, now issued as U.S. Pat. No. 9,211,678, which is a continuation of PCT Application No. PCT / US2014 / 015486, filed Feb. 10, 2014 (docket no. 1151-3W0), which in turn claims the benefit of commonly owned US Provisional Patent Application Ser. Nos. 61 / 919,903, filed Dec. 23, 2013 (docket no. 1151-3PR2); 61 / 865,841, filed Aug. 14, 2013 (docket no. 1151-3PR) and 61 / 763,746, filed Feb. 12, 2013 (docket no. 1151-2PR), the disclosures of which are incorporated by reference herein in their entirety.FIELD OF THE INVENTION

[0002] The present invention concerns methods and apparatus for the fabricat...

Claims

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